That '70s Show (1998)

S05E15 When the Levee Breaks

With Bob away for the weekend, Eric and Donna decide to simulate married life at her home. The rest of the gang is thrilled at the prospect of an all-weekend party at the Pinciotti residence, but Eric and Donna quickly clarify the situation. Meanwhile, Kitty visits the jeweler to collect what she assumes is a surprise ring from Red, only to uncover the unexpected truth: it’s an engagement ring intended for Donna.